Tai Sach vs Zack ViialaPrediction, Head-to-Head Results, and Stats
Tai Sach and Zack Viiala have met 1 time since 2026; Zack Viiala leads 1–0. Across all meetings Sach has taken 1 sets to Viiala's 2. Their most recent meeting: Zack Viiala won at Futures 2026 (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Sach | Viiala | ||
|---|---|---|---|---|
| Indicator | Tai Sach | Zack Viiala | ||
| Wins in straight sets | 70% | 28/40 | 0% | 0/2 |
| Wins a set when losing | 42% | 16/38 | — | |
| Goes to a deciding set | 36% | 28/78 | 100% | 2/2 |
| Covers −1.5 sets as favorite | 60% | 21/35 | — | |
| Covers +1.5 sets as underdog | 59% | 22/37 | 100% | 1/1 |
| Tiebreak sets won | 53% | 10/19 | 50% | 1/2 |
| Wins after taking set 1 | 80% | 36/45 | — | |
| Wins 2-0 after taking set 1 | 62% | 28/45 | — | |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Small sample — read with care. Head-to-head: 0 of 1 completed meetings ended in straight sets (Sach 0, Viiala 0).
Previous meetings
1 career meeting, newest first
Jul 16, 2026
Futures 2026
H Hard
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Sach | Viiala |
|---|---|---|
| W-L | 5–9 | - |
| Avg odds | 1.93 | - |
| ROI % | -54.7% | - |
| Units P/L | -7.66u | - |
Travel
Last 30 days
| Metric | Sach | Viiala |
|---|---|---|
| Countries | 1 | — |
| Events | 1 | — |
| Matches | 1 | — |
| Distance | 0 mi · 0 km | — |
| Route | VIE | — |
Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Recent Form
Last five matches per player
Casey Hoole
M25 Darwin · 2nd Round
Oct 8
Darcy Nicholls
M25 Darwin · 1st Round
Oct 7
Jeremy Beale
M25 Darwin · 1st Round
Sep 30
Filip Peliwo
Phan Thiet 4 Challenger · 1st Round
Sep 15
Arthur Weber
Phan Thiet 3 Challenger · 2nd Round
Sep 10
Thanh Minh Truong
Phan Thiet 3 Challenger · 1st Round
Sep 8
Matthew Dellavedova
M25 Taipei · 2nd Round
Aug 27
Mukund Sasikumar
M25 Taipei · 1st Round
Aug 26
Tai Sach
Futures 2026
Jul 16
Taiki Takizawa
Futures 2026
Jul 15
Alex Rybakov
Champaign · 2nd Round Qualifying
Nov 11
Adam Neff
Champaign · 1st Round Qualifying
Nov 10
Li Tu
Playford · Round of 32
Oct 23
Rubin Statham
Traralgon · 1st Round Qualifying
Jan 2
Win rate
Matches, sets and games won · Last 12 months · 2–78 matches
| Metric | Sach | Viiala |
|---|---|---|
| Matches won | 51% | 100% |
| Sets won | 52% | 67% |
| Games won | 50% | 54% |
Record by tier
Head-to-head record by tournament tier
| Stage | Sach | Viiala |
|---|---|---|
| ITF M | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Sach | Viiala |
|---|---|---|
| Hard | 0 | 1 |
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